- Working on your computer
- Product overview
- Disassembly and reassembly
- Recommended tools
- Removing the back cover
- Installing the back cover
- Removing the battery module
- Installing the battery
- Removing the battery cable
- Installing the battery cable
- Removing the solid state drive - SSD bracket
- Installing the solid state drive - SSD
- Removing the hard drive
- Installing the hard drive
- Removing the hard drive bracket
- Installing the hard drive bracket
- Removing the hard drive cable
- Installing the hard drive cable
- Removing the memory module
- Installing the memory module
- Removing the WLAN card
- Installing the WLAN card
- Removing the touchpad
- Installing the touch pad
- Removing the coin cell battery
- Installing the coin cell battery
- Removing the Input-Output board
- Installing the Input-Output board
- Removing the fan
- Installing the fan
- Removing the heatsink
- Installing the heatsink
- Removing the LED board
- Installing the LED board
- Removing the speakers
- Installing the speakers
- Removing the system board
- Installing the system board
- Removing the display assembly
- Installing the display assembly
- Removing the display bezel
- Installing the display bezel
- Removing the display panel hinges
- Installing the display panel hinges
- Removing the camera
- Installing the camera
- Removing the display
- Installing the display
- Removing the palmrest
- Installing the palmrest
- Removing the power connector
- Installing the power connector
- Technology and components
- Power adapter
- Processors
- Identifying the processor in Windows 10 and Windows 8
- Verifying the processor usage in Task Manager
- Verifying the processor usage in Resource Monitor
- Chipsets
- Downloading the chipset driver
- Identifying the chipset in Device Manager on Windows 10 and Windows 8
- Graphic options
- Downloading drivers
- Identifying the display adapter
- Changing the screen resolution
- Rotating the display
- Display options
- Adjusting brightness in Windows 10
- Adjusting brightness in Windows 8
- Cleaning the display
- Connecting to external display devices
- Audio controller
- WLAN cards
- Hard drive options
- Camera features
- Memory features
- Intel chipset drivers
- Intel HD Graphics drivers
- Realtek HD audio drivers
- System Setup
- Technical Specifications
- Physical Dimensions
- System information specifications
- Processor specifications
- Memory specifications
- Storage specifications
- Audio specifications
- Video specifications
- Communication specifications
- Battery specifications
- Ports and connector specifications
- Display specifications
- Touchpad specifications
- Keyboard specifications
- Adapter specifications
- Environmental specifications
- System setup options
- General screen options
- System Configuration screen options
- Video screen options
- Security screen options
- Secure Boot screen options
- Performance screen options
- Power Management screen options
- POST Behavior screen options
- Virtualization support screen options
- Wireless screen options
- Maintenance screen options
- System Log screen options
- Troubleshooting
- Contacting Dell
Vostro 15-5568 Owner's Manual
LED error codes
| LED flashes | Fault description |
| 1,1 | Bad system board |
| 1,2 | Bad system board, PSU or cabling |
| 1.3 | Bad system board, DIMMS or CPU |
| 1,4 | Bad coin cell battery |
| 2,1 | CPU problem |
| 2,2 | System board: BIOS ROM failure |
| 2,3 | Memory issue |
| 2,4 | Memory issue |
| 2,5 | Memory issue |
| 2,6 | System board: Chipset failure |
| 2,7 | Display failure (LCD) |
| 3,1 | RTC Power failure |
| 3.2 | PCI/video |
| 3,3 | BIOS recovery 1 |
| 3,4 | BIOS recovery 2 |
| 4,1 | CPU configuration or CPU failure |
| 4,2 | Generic POST video error (old LED pattern 1110) |
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